1
Q
In what way are the noble gases different to most other elements?
A
They are very stable and unreactive.
2
Q
To what feature of their electronic structures is the stability of the noble gases due?
A
Noble gases have eight electrons( an octet) in their outer level
3
Q
What is valency?
A
The number of bonds an atom forms when it reacts
4
Q
What is an ionic bond?
A
Electrostatic force of attraction between oppositely charged ions
5
Q
What is
(A) an ion
(B) a cation
(C) an anion
A
A) a charged atom that has an unequal number of protons and electrons
B) a positively charged ion
C) a negatively charged ion
